Video 3: in video 3, it told us how hard to make a jade.

Video 3: In Video 3, it talked about how hard to make a jade.

认真看以上视频，依次在下方列出视频中出现的所有时间状语从句： Video 1: ______________________________________________________________________________________ Video 2: ______________________________________________________________________________________ Video 3: ______________________________________________________________________________________ Video 4: ______________________________________________________________________________________

以下哪些轨道上不可以使用键控______。 A: Video1A B: Video2 C: Video3 D: Video4 E: Video1B

如下代码，myVideo是<;video>;标签的ID，为控制视频快进3秒，代码正确的是（ ）。var video = document.getElementById("myVideo"); A: video.currentTime += 3; B: video.currentTime = 3; C: video.volume += 3; D: video.volume = 3;

中国大学MOOC: Why can Chris get the job in video clip 3?

Watch Video 3 to find out details of the project ‘Green Horizon’. Fill in the following blanks.‌‌3) .___________________‌‌[img=677x143]1803b5205391314.png[/img]‌‌‌

In the video, besides the 'invisible hand', other two economic concepts are discussed:[br][/br] 3) ____________ and 4) _____________

3 How much do American college students spend on movies, music and video games in a year?

How many types of exposition are mentioned in the video? A: 2 B: 3 C: 4 D: 5